From 7b7ac2d766b6ed83be21f654a1526ace9fdab930 Mon Sep 17 00:00:00 2001
From: Lei Yan
Date: Wed, 5 Feb 2014 16:12:11 -0600
Subject: On branch master

---
 wqflask/maintenance/dataset/utilities.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'wqflask')

diff --git a/wqflask/maintenance/dataset/utilities.py b/wqflask/maintenance/dataset/utilities.py
index 30e135cb..04ca0438 100644
--- a/wqflask/maintenance/dataset/utilities.py
+++ b/wqflask/maintenance/dataset/utilities.py
@@ -32,7 +32,10 @@ def overlap(dic1, dic2):
     values2 = []
     for key in dic1.keys():
         if key in dic2:
-            keys.append(key)
-            values1.append(dic1[key])
-            values2.append(dic2[key])
+            value1 = dic1[key]
+            value2 = dic2[key]
+            if value1 and value2:
+                keys.append(key)
+                values1.append(value1)
+                values2.append(value2)
     return keys, values1, values2
-- 
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